Sodium methoxide 甲醇钠

CAS 124-41-4 MFCD00012179

化学结构图

124-41-4
SMILES: C[O-].[Na+]

化学属性

Mol. FormulaCH3NaO
Mol. Weight54.02
Boiling Point
Density0.96
Refractive indexn20/D 1.37
Flash Point11°C
TSCAYes
Melting PointNo Data Available
Autoignition Point851 °F
Vapor Density1.1 (vs air)
Vapor Pressure50 mmHg ( 20 °C)
Solubility起反应
Stability对空气及湿度敏感
Appearance white pwdr.
Danger-Level乙类

别名和识别编码

Chemical NameSodium methoxide
Synonym Sodium Methoxide {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
CAS Number124-41-4
PubChem Substance ID10942334
EC Number204-699-5
Beilstein Registry Number1(4)1227
MDL NumberMFCD00012179
Reaxys-RN3592982
Merck Number8643
Chemical Name Translation甲醇钠
Wiswesser Line NotationO1 &-NA- &6/1
LabNetwork Molecule IDLN00163174
InChIInChI=1S/CH3O.Na/c1-2;/h1H3;/q-1;+1
Canonical SMILESCO[Na]
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分类

  • {SNA} Acids & Bases, Bases, Chemical Synthesis, Essential Chemicals, Micro/NanoElectronics, Organic Bases, Research Essentials, Salt
  • {SNA} Acids & Bases, Bases, Chemical Synthesis, Essential Chemicals, Micro/NanoElectronics,
  • {SNA} Essential Chemicals, Micro/NanoElectronics, Research Essentials, Salts, Sodium, Sodium Salts,
  • {SNA} Essential Chemicals, Micro/NanoElectronics, Research Essentials, Salts, Sodium, Sodium Salts, Solution Deposition Precursors, 材料科学
  • {SNA} Acids & Bases,

产品应用

  • 主要用作缩合剂;强碱性催化剂以及甲氧基化剂,用于制取维生素B1及A;磺胺嘧啶等药物,少量用于农药生产。也用作处理食用脂肪和食用油(特别是处理猪油)的催化剂。还用作分析试剂。

相关文献及参考

  • Merck: 14,8643
  • Merck: 14,8643 Beilstein: 1,IV,1220

安全信息

GHS Symbol
WGK Germany1
Hazard Codes 4.2 F,C F,T
Hazard statements
  • H225 Highly flammable liquid and vapour 高度易燃液体和蒸气
  • H226 Flammable liquid and vapour 易燃液体和蒸气
  • H228 Flammable solid 易燃固体
  • H251 Self-heating: may catch fire 自我放热:可能着火
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H301+H311+H331
  • H302 Harmful if swallowed 吞食有害
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H315 Causes skin irritation 会刺激皮肤
  • H318 Causes serious eye damage 严重伤害眼睛
  • H370 Causes damage to organs 导致器官损伤
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Precautionary statements
  • P201 Obtain special instructions before use. 使用前获取专门指示。
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P233 Keep container tightly closed. ?保持容器密闭。
  • P234 Keep only in original container. 只保留在原来的容器中。
  • P235+P410
  • P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
  • P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. 使用防爆电气/通风/照明/ .../设备。
  • P241+P242+P243
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P312
  • P301+P330+P331
  • P301+P330+P331+P310
  • P303+P361+P353
  • P303+P361+P353+P310+P363
  • P304+P340
  • P304+P340+P310
  • P305+
  • P305+P351+P338
  • P305+P351+P338+P310
  • P308+P311
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适,呼叫解毒中心或医生/医师。
  • P321 Specific treatment (see … on this label). 具体治疗(见本标签上的)。
  • P330 Rinse mouth. 漱口
  • P363 Wash contaminated clothing before reuse. 被污染的衣服洗净后方可重新使用。
  • P370+P378
  • P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
  • P402+P404
  • P403+P233
  • P404 Store in a closed container. 贮存于密闭容器中。
  • P405 Store locked up. 上锁保管。
  • P407 Maintain air gap between stacks/pallets. 在堆叠/货板间保持气隙。
  • P413 Store bulk masses greater than … kg/…lbs at temperatures not exceeding … oC/…oF. 商店散装超过…kg/…lbs 时温度不应超过…oC/…oF.
  • P420 Store away from other materials. 远离其他材料。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Danger
UN Number 1289 1431 UN1289 UN1431
RTECSPC3570000
Safety Statements
  • S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S43 In case of fire use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add -?Never use water) 着火时使用(指明具体的消防器材种类,如果用水增加危险,注明“禁止用水”
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S7 Keep container tightly closed 保存在严格密闭容器中;
  • S7/8 Keep container tightly closed and dry 保存在严格密闭容器中,保持干燥;
  • S8 Keep container dry 保持容器干燥;
Risk Statements
  • R10 Flammable 易燃
  • R11 Highly flammable 非常易燃
  • R14 Reacts violently with water 遇水会猛烈反应
  • R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入,皮肤接触及吞食都有毒
  • R34 Causes burns 会导致灼伤
  • R39/23/24/25 Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed 毒性:吸入,皮肤接触和吞食都会产生十分严重的不可逆危险
Storage condition +4°C 4 4℃ Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
Packing GroupII
Hazard Class3/8
Warnings 危化品目录(2015)
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2037 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - chromodacryorrhea
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555267

Restrict 危险品

其他信息

  • 下游产品:吡拉西坦 --> N-甲基-4-甲氧基-1,8-萘酰亚胺 --> 3-(5-甲基呋喃-2-基)-1H-吡唑-5-羧酸乙脂 --> 对氰基苯甲酸甲酯 --> 5-甲氧基-吡啶-3-甲醛 --> 2,4,6-三甲氧基苯甲醛 --> 1,3-二(2-吡啶)-1,3-丙烷二酮 --> 5-硝基-2-甲氧基吡啶 --> 3-(噻吩-2-基)-1H-吡唑-5-羧酸乙酯 --> 2,4-二甲氧基嘧啶 --> 2-甲基-6-三氟甲基-4-羟基嘧啶 --> 亚氨基芪甲酰氯 --> 乙酸丙酯 --> 2-[2-(2-噻吩基)乙基]苯甲酸 --> 2-(苯氧基甲基)苯甲酸 --> 4-氧四氢噻酚-3-羧酸甲酯 --> 5-乙基-2-硫脲嘧啶 --> 2,4-二氨基-6-氯嘧啶 --> 2-噻吩基乙酰腈 --> 5-甲氧基-2-巯基-4-嘧啶醇 --> 2-硝基苯甲醚 --> 2-甲基-4-羟基嘧啶 --> Α-二甲氧甲基-Β-甲氧基丙腈 --> 4,6-二甲氧基-2-甲磺酰基嘧啶 --> 4,6-二羟基-2-巯基嘧啶 --> 苯甲丁氮酮 --> 2-甲氧基吡嗪 --> 2-异丙基-3-甲氧基吡嗪 --> 4,6-二氯-二甲硫基嘧啶 --> 1-甲基-4-哌啶酮-3-羧酸甲酯 --> 乙嘧酚 --> 硫尿嘧啶 --> 菲尼酮
  • 图谱信息:甲醇钠(124-41-4)红外图谱(IR1) 甲醇钠(124-41-4)红外图谱(IR2)
  • 用途四:用作有机合成的缩合剂
  • 方法二:在反应锅中加入二甲苯(水分<0.05)、金属钠,加热至130-140℃,保温1h,停止加热,快
  • 防护措施:甲醇钠溶液中的甲醇有剧毒。甲醇钠有强腐蚀性,能刺激眼睛和鼻子。吸入高浓度蒸气会引起强烈的刺激,严重者会影响呼吸,造成眩晕,经抢救可以恢复。但长时间吸入高浓度蒸气,会引起肺水肿而致死。应防止吸入蒸气和接触皮肤。此外,生产过程中应注意安全措施,设备应密闭,操作人员应穿戴防护用具。
  • 对空气与湿气敏感。遇水分解。溶于乙醇和甲醇,遇水分解成甲醇和氢氧化钠,在126.6℃以上的空气中分解。商品形态也有溶液化合物的形式。也有溶剂化合物的形态。
  • F:9-21
  • 含量分析:在下述含量分析和质量指标分析中,试样应尽量避免暴露于空气中,并最好在氮封中进行。 含量分析和碳酸钠、氢氧化钠分析 试样配制 选择两只直径约30mm、高约80mm、已恒重的称重瓶,几乎装满试样后,小心地加盖,称重,应为12~15g。 甲醇钠(CH 3 ONa)的碱度测定,取下一试样瓶盖子,迅速将试样瓶沿边壁滑入一500ml锥形烧瓶中,瓶中盛有200ml脱二氧化碳的冰水,应防止飞溅。立即用一橡皮塞塞住烧瓶,并摇动至试样溶解。用脱二氧化碳水将试样液洗入一250ml容量瓶中,并稀释至将近刻度处。让溶液达到室温后再加水定容并混合。取此溶液50.0ml移人一500ml带玻塞的锥形烧瓶中,加脱二氧化碳水150ml和氯化钡试液(TS-37)5ml,加塞混合后静置5min。加酚酞试液(TS-167)3滴,用1mol/L盐酸滴定至粉红色消失。保留被滴定液供测定碳酸钠之用。甲醇钠碱度的百分含量A按下式计算: A=(V 1 ×c×5.403)/(W×0.2)式中V 1 ——所耗盐酸的体积,m1; c——所耗盐酸的浓度,mol/L; w——试样质量,g。 碳酸钠的测定在上述保留的被滴定液中加甲基橙试液(TS-148)2滴,再继续用1mol/L盐酸滴定至持久的粉红色。碳酸钠(Na 2 CO 3 )百分含量按下式计算: Na 2 CO 3 含量(%)=(V 2 ×cf×5.30)/(W×0.2)式中 V 2 ——第二次滴定所耗盐酸的体积,ml; c和W——含义同上述甲醇钠的碱度测定。 )氢氧化钠的测定 可参照GT-32中卡尔.费休滴定法进行,或用下法测定。 溶液A取含水量不超过0.05%的无色吡啶400ml,加于一500ml平底烧瓶中,塞一双孔橡皮塞,在一个孔中塞一根7mm玻璃管,并下伸至烧瓶底部附近,另一孔中装一排气管,上面装有橡皮管并用夹子夹住。将烧瓶放入有循环水的冷却槽中。从一直立的钢瓶中通人干燥的二氧化硫(80士0.5)g。在气阀关闭前,排气管应松开。将此溶液移人一干燥带玻塞瓶中,加无水甲醇400ml,混合后贮于暗处。 溶液B在盛有900ml无水甲醇的干燥带玻塞瓶中,加入碘75g,摇至碘溶解后移人一有干燥管保护的自动滴定管中。 溶液B的标定 用一干燥量筒量取溶液A15ml,移人一干燥的125ml碘量瓶中,用溶液

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